2 files changed, 13 insertions, 6 deletions
diff --git a/src/server/shared/Cryptography/BigNumber.cpp b/src/server/shared/Cryptography/BigNumber.cpp
index 1f3fc96e28d..1c82314bdba 100644
--- a/src/server/shared/Cryptography/BigNumber.cpp
+++ b/src/server/shared/Cryptography/BigNumber.cpp
@@ -190,13 +190,19 @@ ACE_Auto_Array_Ptr<uint8> BigNumber::AsByteArray(int32 minSize, bool littleEndia
     return ret;
 }
 
-char * BigNumber::AsHexStr() const
+std::string BigNumber::AsHexStr() const
 {
-    return BN_bn2hex(_bn);
+    char* ch = BN_bn2hex(_bn);
+    std::string ret = ch;
+    OPENSSL_free(ch);
+    return ret;
 }
 
-char * BigNumber::AsDecStr() const
+std::string BigNumber::AsDecStr() const
 {
-    return BN_bn2dec(_bn);
+    char* ch = BN_bn2dec(_bn);
+    std::string ret = ch;
+    OPENSSL_free(ch);
+    return ret;
 }
 
diff --git a/src/server/shared/Cryptography/BigNumber.h b/src/server/shared/Cryptography/BigNumber.h
index dc553babec9..7de53b442ae 100644
--- a/src/server/shared/Cryptography/BigNumber.h
+++ b/src/server/shared/Cryptography/BigNumber.h
@@ -21,6 +21,7 @@
 
 #include "Define.h"
 #include <ace/Auto_Ptr.h>
+#include <string>
 
 struct bignum_st;
 
@@ -89,8 +90,8 @@ class BigNumber
 
         ACE_Auto_Array_Ptr<uint8> AsByteArray(int32 minSize = 0, bool littleEndian = true);
 
-        char * AsHexStr() const;
-        char * AsDecStr() const;
+        std::string AsHexStr() const;
+        std::string AsDecStr() const;
 
     private:
         struct bignum_st *_bn;